1. Which of the values is a float?

12

12.1

An inflatable kayak.

2. Which is an integer?

"int"

10020

3.14

3. What result would this operation give?

5 + 5.1 =

10.1

55.1

"5.1, 5"

4. What would be the result for the following operation?

"5" + "5.1" =

55.1

"55.1"

'55.1'

5. Listen to the dialog. Yash and Jim are colleagues in an IT company. Yash is an experienced programmer, but Jim is a novice. What Python method should Jim use to solve his problem?

capitalize()

title()

upper()

6. Which of the following statements is false?

Python can be used in data science

Python works on all major operating systems

Python cannot be used to make desktop applications

7. What does the following code output?

username = 'eagle05'
if len(username) >= 7:
     print("Your username is valid!")

eagle05

Your username is valid!

Your username is not valid!

8. What do the following lines of code have in common?

technical_data = {"strength": 115.5, "density": 15.1}
technical_data = dict(strength=115.5, density=15.1)

They both create the same object.

They both have the same syntax.

They both use the same third-party library.

9. What type of object is "seq" in the following code?

seq = list(dict(x=str(2), y=(str(3))))

Dictionary

List

Tuple

10. Which of the pictures best relates to the following code?

ltr = ['a', 'd', 'l', 'i', 'e', 's', 'm']
print(ltr[-2] + ltr[-1] + ltr[3] + ltr[2] + ltr[-3])

11. Which of the following is Python code?

if a == 3:
    print("Correct")

if  (a == 3)  {
    System.out.println("Correct");
}

load at x3000. X3000 0010 001 0 0000 0110; 
LD R1, x006 x3001 0110 010 001 000000

12. Select the best answer.

planets = ("Mars", "Earth", "Venus")

planets is a list of four items

planets is a list of three items

planets is a tuple of three strings

13. Which of the objects below is a dictionary data type?

coordinates = (10.1, 11.2)

company = {'employees': 14, 'managers':3}

grades = ['F', 'D', 'A', 'C']

14. Which of the following is a list data type?

grades = ['F', 'D', 'A', 'C']

grades = ( 8, 9, 10, 9, 7)

grades = { 9, 8, 7, 9, 10}

15. Which of the following is a tuple data type?

Inventory( '55', '88', '99')

Inventory == ( 55, 66, 88)

Inventory = ( 55, 66, 88, 99)

16. Listen to the video. What object is Yash suggesting Jim to use?

A dictionary

A numpy array

A pandas dataframe

17. What object type is this:

a = "10.1"

Float

Integer

String

18. What is max() in Python?

A class

A function definition

A function call

19. How many items does the list "planet" have?

planet = ["Saturn", 100911.1, [1, 2, 3]]

3

5

6

20. What output would the following code give:

print("anastasia".title())

ANASTASIA

Anastasia

"Anastasia"

21. What does the code below output?

print("anastasia".count(a))

4

2

Traceback (most recent call last): File "", line 1, in NameError: name 'a' is not defined

22. What's the difference between a tuple and a list?

Tuples accept only numbers.

They are the same.

Immutability

23. What does the code below output?

chars = [1, 'a', 2, 'b']
print("-".join(chars))

 '1-a-2-b'

 ['1-a-2-b']

The code produces an error.

24. What does the following code output?

max(4, 5, 6) + min(4, 5, 6)

30

15

10

25. Which of the function definitions below would return 10 if we were to call the function with foo(5)?

def foo(x):
    if x * 2

def foo(x):
    print x * 2

def foo(x):
    return x * 2

26.

26. What is "==" in Python?

Assignment operator

Comparison operator

Math operator

27. Select the odd one out.

else

return

elif

28. Again, select the odd one out.

int

float

len

29. One more time - the odd one out.

print(10

a = [1, 2, 4)

c = 12

30. What code does Jim probably need?

for item, value  in d.items():
    if '_' in item:
        sent_email(value)

for item in d:
    if '_' in item:
        sent_email(value)

if '_' in item:    
    for item, value  in d.items():
        sent_email(value)

31. Which of the following blocks of code is written correctly:

a = 10
if a > 10:
    print("Positive number")
    else:
    print("Negative number")

a = 10
if a > 10:
    print("Positive number")
    elif:
    print("Negative number")

a = 10
if a > 10:
    print("Positive number")
    next:
    print("Negative number")

32. The sum of an integer and a float gives what object type?

Integer

Float

String

33. What is Jim most likely doing wrong?

He is iterating over an int instead of a float.

He is applying a for loop with to the wrong object.

He has declared the int object as non-iterable.

34. Which code does NOT produce the following output?

Welcome Jesuela

username = "Jesuela"
message = f"Welcome {username}"
print(message)

username = "Jesuela"
message = "Welcome" + " " + username
print(message)

username = "Jesuela"
message = "Welcome "
print(message.join(username))

35. Look at the following code:

usernames = ['low_66', 'berrets%', 'sunshade_001']

Which of the following code would change the usernames list by removing "berrets%" from the list?

usernames = [username for username in usernames if '%' not in username]

usernames = [username for username in usernames if '%' in username]

usernames = [username for username in usernames when '%' ]

36. What would the code below output?

def foo( a, b=10)
    if b == 10:
        return a + b
print(foo(3))

13

3

TypeError: foo() missing 1 required default argument: 'b'

37. What would the following code output this time?

processors = {'stock': ['i345', 'i796'], 'sold': ['i114', 'i931']}
print(processors['sold'][-1])

i345

i796

i931

38. What code should Jim write to convert the list items to uppercase?

molecules = [i.upper() for i in molecules]

molecules = [for i in molecules convert(i)]

molecules = [for i in molecules uppercase(i)]

39. The purpose of the code below is to convert all the items of the list into floats. Which of the alternatives does this?

data = [13, 145, 55, 88, 190, 98]
data = float(x) for x in data

data = [13, 145, 55, 88, 190, 98]
data = [float(x) for x in data]

data = [13, 145, 55, 88, 190, 98]
data = (float(x) for x in data)

40. Which picture does the following code best relate with?

pandas.DataFrame([[2, 4, 6], [10, 20, 30]])

41. What does the following code output?

for i, j, k in [1, 2, 3]:
     print(i)

123

1

2

3

The code will produce an error.

42. What does the following code return?

define rectangle_area(a, b):
    print(a * b)
area = rectangle_area(2, 4)
print(area)

None

8
None

43. What do you think would be the best solution to solve Jim's problem this time?

 list1 + list2

 list1.merge(list2)

 list1.append(list2)

44. Select the correct output?

for i in range(0, 5, 2):
 print(f"{i}_file.pdf")

0_file.pdf
5_file.pdf
2_file.pdf

0_file.pdf
2_file.pdf
4_file.pdf

0_file.pdf
1_file.pdf
2_file.pdf
3_file.pdf
4_file.pdf
0_file.pdf
1_file.pdf
2_file.pdf
3_file.pdf
4_file.pdf

45. What is true about the following code?

import cv2
capture = cv2.VideoCapture(0)

The code starts recording a video from a Canon camera.

The code imports the OpenCV Python library and starts the camera.

The code captures a video using 0 colors.

46. Look at the code below:

output1 = cv2.cvtColor(input_variable, cv2.COLOR_BGR2GRAY)

What will the variable "output1" most likely contain?

47. What map would the following code most likely produce?

import folium
m = folium.Map(location=[45.5236, -122.6750]) 
m.save("map.html")

48. What does Jim's code most likely look like?

 team = []

team = [1, 2, 3]

team.append(1)

49. What type of object would the following function return?

def foo(x):
    return x * 2

An integer

We cannnot tell given the information we have.

A string

50. Have a look at the code below:

x = y['z']

What would z most likely be?

A list item

A dictionary key

A dictionary value

51. What will the following code generate?

for i in range(10):
    if i > 5:
        print(1)

1

2

3

4

5

6

7

8

9

0

1

2

3

4

52. What best resembles JSON data?

53. Can you understand what datatype is Yash suggesting Jim to use? Select the one option that Yash DID NOT suggest to be used.

Tuple

List

Dictionary

54. Look at the code below and the select the one snippet that does not do the same thing as this code:

a = [1, 2, 3]
b = [ ]
for i in a:
    b.append(str(i))
a = b

a = [1, 2, 3]
for i, j in a:
    a.append(str(i))
    a.remove(j)

a = [1, 2, 3]
a = [str(i) for i in a]

a = [1, 2, 3]
a = [str(i) if isinstance(i, int)]

55. What will the following code output if the user inputs a value of 30?

value = input("Enter day temperature: ")
print("At night is going to be ", value - 10)

20

At night is going to be 20

TypeError: unsupported operand type(s) for -: 'str' and 'int'

56. What would the output of the following code be?

def foo(x=1, y=2, z):
 return x + y + z
print(foo(5, 6, 7))

18

3

The code will produce an error.

57. Which of the loops would successfully convert the list ["John.Smith", "Merry.Smith"] to ["John Smith", "Merry Smith"]?

names = ["John.Smith", "Merry.Smith"]
names = [name.replace(".", "") for name in names]

names = ["John.Smith", "Merry.Smith"]
names = [name.remove(".") for name in names]

names = ["John.Smith", "Merry.Smith"]
names = [name.split(".") for name in names]

58. What would you use if you want to both write and read from a Python file object?

'wr'

'r+'

'w' AND 'r'

59. What does the following code do?

import string, random
x = ' '
for i in range(3):
    x = x + random.choice(string.ascii_lowercase)
print(x)

The code prints the first three characters of ASCII

The code generates a list of three random letters

The code generates a random string

60. What library would NOT be useful for Jim here?

Tkinter

Beautiful Soup

Pandas

61. Select the snippet of code that if we were to run in Python would produce the following output:

Expected output:
John
Merry

data = [{'name':'john', 'surname':'smith'}, {'name':'merry', 'surname':'koo'}]
for i in data:
    print(i['name']title())

data = [{'name':'john', 'surname':'smith'}, {'name':'merry', 'surname':'koo'}]
for i in data:
    print(i name.title())

data = [{'name':'john', 'surname':'smith'}, {'name':'merry', 'surname':'koo'}]
for i in data:
    print(iName.title())

62. What would you use if you wanted to access items from two different sequences in the same for-loop?

zip()

datetime()

lower()

63. Which of the code snippets would remove the numbers from the secret_variable value?

secret_variable = "ce42qb"

for i in secret_variable:
if i == int:
secret_variable.remove(i)

for i in secret_variable:
if i == int:
secret_variable.replace(i, "")

None of them.

64. What does Yash mean by "loop and show"?

Loop with a for-loop through the video frames and show each video frame on the screen

Execute opencv with a loop() method and a show() method

Loop through the pixels of each video and show each show them on the screen

65. What would the "sample.txt" file contain after the following code runs?

file = open("sample.txt", "w")
file.write("Hi!\nIt's a beautiful day!")
file.close()

Hi!
It's a beautiful day!

Hi! It's a beautiful day!

Hi!\nIt's a beautiful day!

66. What does the expression "from x import y" do?

It imports the y integer from the x float.

It imports the y object from the x library.

It imports the x object from the y library.

67. Complete the code so that the code prints out the surnames of all names which start with "j".

data = [{'name':'john', 'surname':'smith'}, {'name':'merry', 'surname':'koo'}, {'name':'yash', 'surname':'sun'}]
for i in data:
 if i['name'].startswith('j'):

Expected output:

smith

print(iSurname)

print(i(surname))

print(i['surname'])

68. Have a look at the following code.

filename = "aka.csv"

What code would change "aka.csv" to "aka.txt"?

filename = filename.replace(Filename.split(".")[1], "txt")

filename = filename.split(".")[0] + ".txt"

filename = filename.remove("csv").append("txt")

69. What is the code that Yash would most likely type down for Jim?

while True:
foo()
time.sleep()

loop()
call()
sleep()

for i in range():
    foo()
time.sleep()

70.

What does the code below output?

(1, 2, 3) + (4, 5, 6)

 (1, 2, 3, 4, 5, 6)

 [1, 2, 3, 4, 5, 6]

71. Select the statement that is NOT true about the code below:

[str(i) for i in mylist if isinstance(i, int)]

The code changes mylist by retaining only its integer items.

The code converts all the items of mylist items to strings.

The code does some sort of filtering of the mylist items.

72. What would the code below do?

file = open("sample.txt", "w")
aka = file.read("Something beautiful")
print(aka)

It would output Something beautiful.

We can't tell what the output will be since we don't know what the file has inside.

The code will output an error.

73. What is NOT true about the following code?

def foo(x):
    if x > 0:
        return 1
    else:
        return 2

The function takes two arguments.

The function may return either 1 or 2, but not both.

The function returns 1 if x is a positive number.

74. What does Yash mean?

Jim's programming skills are equivalent of a cat's programming skills.

Jim's function definition has too many parameters.

Jim's foo function call has too many arguments.

75. What does the method "cur.execute()" take as argument?

An executable integer

An executable float

An SQL expression as a string

76. Check the statement that is NOT true:

Python can interact with database systems

Database systems are designed to internally execute Python code

Python can send SQL code which can then be executed internally by a database system

77. Which of the following is a file-based database system?

SQLite

PostGreSQL

MySQL

78. How can the code be fixed in order to return the output 6?

By putting the function call inside a print function

By adding a print inside the function definition

By replacing “return” with “print” inside the function definition

79. Select the code that prints out the text "6_file"

i = 6
filename = f"{i}_file"
print(filename)

i = 6
filename = f"i_file"
print(filename

i = 2 * 3
filename = {i} + "_file"
print(filename)

80. What object would variable x be?

import cv2
x = cv2.imread("galaxy.jpg")

An image file

A cv2 array

A numpy array

81. What would the value of y be?

y = float({'a':(1,2,3)}['a'][1] + int(float('3.65')))

5

5.56

4.65

82. What is "@app" in "@app.route('/')"?

An argument

A decorator

An email domain

83.

What would the Flask frontend created by the below code look like?

@app.route('/')
def foo():
    return "<h1>Hello world!</h1>"

84. What does render_template do in the following code?

app.route('/')
def home():
    return render_template("home.html")

It renders a function template

It renders a template in the Python shell

It produces an HTML page

85. What code seems Yash to suggest?

import pandas
df = pandas.load("usernames.txt")
df = df.filter(['logins'] >0])
df.to_csv("usernames_filtered.txt", index=False)

import pandas
df = pandas.read_csv("usernames.txt")
df = df[df['logins'] >0]
df.to_csv("usernames_filtered.txt", index=False)

import pandas
df = pandas.read("usernames.txt")
df = df.filter_less(['logins'] >0])
df.to_csv("usernames_filtered.txt", index=False)

86. Find the odd one out:

pandas

numpy

class

87. What would variable x most likely contain?

import requests
r = requests.get("https://pythonhow.com")
x = r.content

Python code

HTML code

PHP code

88. Which of these tkinter widgets can be used as a widget to get user input?

Entry

Input

UserInput

89.

What does the code below create?

tkinter.Label(window, "Ontohome")

A Label widget with label "Ontohome"

A tkinter window with label "Ontohome"

A Label widget in the "Ontohome" window

90. What would "df.shape" return given the following dataframe?

(6, 7)

(7, 6)

(5, 6)

91.

When is the "foo" function called by Python?

app.route('/')
def foo():
    return render_template("home.html")

When the user visits the homepage of the website

When a foo() call is found in the home.html code

When the user enters a slash ('/') symbol in the Python shell

92. What code would normally come after the following code?

con = sqlite3.connect("database.db")

con.download()

con.upload()

con.cursor()

93. What would the best synonym of a pandas data frame be?

A data table

An animal-based data set

A frame drawn around data

94. What is Beautiful Soup in Python?

A slang used among programmers to refer to beautifully written code

A Python library used to extract data

An ironic comment to refer to badly written code

95. What does the following code do?

app = Flask(__name__)

It assigns the __name__ variable to the app variable

It assigns the app variable to the __name__ variable

It creates a Flask app instance

96. What would the value of x be?

df = pandas.DataFrame([[2, 4, 6], [10, 20, 30]])
x = sum(df.loc[1])

4

24

60

97. What would the CSV file generated by the following code look like?

df = pandas.DataFrame([[2, 4, 6], [10, 20, 30]])
df.to_csv("test.csv", header=None, index=False)

98. Which snippet of code would work in Python?

value = input("Distance in miles : ")
print(str(value) * 1.609344)

value = input("Distance in miles : ")
print(float(value) * 1.609344)

value = input("Distance in miles : ")
print(int(value) * 1.609344)

99. What code would Jim most likely need

pandas.duplicate()

df.drop_duplicates()

pandas.drop_duplicates()

100. What will the following code output?

class Robot:
 def __init__(self, name, mood="quiet"):
 self.name = name
 self.mood = mood
 def set_mood(self, user_mood):
 self.mood = user_mood
robo = Robot("Robo", "agitated")
robo.set_mood("playful")
print(robo.mood)

quiet

agitated

playful

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